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脱式计算.(80-14)÷6720-720÷15(360-144)÷24×3240+480÷30×2225-10×(6+13)(120×2+120)÷943×(324-298)(79+21)×(96÷12)

题目详情
脱式计算.
(80-14)÷6  720-720÷15 (360-144)÷24×3 240+480÷30×2
225-10×(6+13) (120×2+120)÷9 43×(324-298) (79+21)×(96÷12)
▼优质解答
答案和解析
(1)(80-14)÷6,
=66÷6,
=11;

(2)720-720÷15,
=720-48,
=672;

 (3)(360-144)÷24×3,
=216÷24×3,
=9×3,
=27;

(4)240+480÷30×2,
=240+16×2,
=240+32,
=272;

(5)225-10×(6+13),
=225-10×19,
=225-190,
=35;

(6)(120×2+120)÷9,
=(240+120)÷9,
=360÷9,
=40;

(7)43×(324-298),
=43×26,
=1118;

(8)(79+21)×(96÷12),
=100×8,
=800.